ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,435, issued on Sept. 2, was assigned to DALIAN UNIVERSITY OF TECHNOLOGY (Dalian, China).

"Polyether amine-based flexible phase change materials with high enthalpy value, preparation method and application thereof" was invented by Bingtao Tang (Dalian, China), Lu Liu (Dalian, China), Yuang Zhang (Dalian, China) and Shufen Zhang (Dalian, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The polyether amine-based flexible phase change materials with high enthalpy value, preparation method and application thereof, which belongs to the technical field of the polymer phase change materials for energy storage. Phase change materials for heat storage com...